In case you missed it, the automotive industry has been on a steady trajectory of internal combustion engine (ICE) downsizing for years. Battery-powered electric vehicles may capture most of the ...

Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" engines. One of the distinguishing features is that they don't need valves to ...

Ammonia isn't an uncommon chemical. If you work in agriculture or do any kind of gardening, you likely interact with it on a regular basis, as roughly 80% of ammonia produced is used in fertilizer.

Boxer engines are popular engines used in Subaru and Porsche cars, such as the Subaru WRX STi and Porsche 911 GT3. The engines have cylinders that lay flat (not to be confused with a 180 degree V ...

Any certified gearhead knows that diesel engines do not use spark plugs. But why not? If power in an engine is created by combustion or explosion of flammable liquids, won't a spark plug in a diesel ...

As you may know, an engine's compression ratio is directly linked to its combustion efficiency. All else being equal, higher-compression engines tend to make more power while offering better fuel ...

Boxer engines feature flat, opposing pistons that move in opposite directions for smooth operation. Subaru and Porsche are primary modern users, benefiting from low center of gravity and performance.